27661860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{643}}^1$

素因数の和:897

約数の個数: 72

約数和(自身を含む): 84389760

約数和(自身を除く): 56727900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 643, 717, 956, 1195, 1286, 1434, 1929, 2151, 2390, 2572, 2868, 3215, 3585, 3858, 4302, 4780, 5787, 6430, 7170, 7716, 8604, 9645, 10755, 11574, 12860, 14340, 19290, 21510, 23148, 28935, 38580, 43020, 57870, 115740, 153677, 307354, 461031, 614708, 768385, 922062, 1383093, 1536770, 1844124, 2305155, 2766186, 3073540, 4610310, 5532372, 6915465, 9220620, 13830930, 27661860]

約数ペア:

[(1, 27661860), (2, 13830930), (3, 9220620), (4, 6915465), (5, 5532372), (6, 4610310), (9, 3073540), (10, 2766186), (12, 2305155), (15, 1844124), (18, 1536770), (20, 1383093), (30, 922062), (36, 768385), (45, 614708), (60, 461031), (90, 307354), (180, 153677), (239, 115740), (478, 57870), (643, 43020), (717, 38580), (956, 28935), (1195, 23148), (1286, 21510), (1434, 19290), (1929, 14340), (2151, 12860), (2390, 11574), (2572, 10755), (2868, 9645), (3215, 8604), (3585, 7716), (3858, 7170), (4302, 6430), (4780, 5787)]